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Titanium 6-7 vs. SAE-AISI 1025 Steel

Titanium 6-7 belongs to the titanium alloys classification, while SAE-AISI 1025 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
17 to 28
Fatigue Strength, MPa 530
190 to 280
Poisson's Ratio 0.33
0.29
Reduction in Area, % 29
45 to 57
Shear Modulus, GPa 45
73
Shear Strength, MPa 610
290 to 310
Tensile Strength: Ultimate (UTS), MPa 1020
450 to 500
Tensile Strength: Yield (Proof), MPa 900
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 300
400
Melting Completion (Liquidus), °C 1700
1460
Melting Onset (Solidus), °C 1650
1420
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.8
Density, g/cm3 5.1
7.9
Embodied Carbon, kg CO2/kg material 34
1.4
Embodied Energy, MJ/kg 540
18
Embodied Water, L/kg 190
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
170 to 470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
16 to 18
Strength to Weight: Bending, points 44
17 to 18
Thermal Shock Resistance, points 66
14 to 16

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.22 to 0.28
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
99.03 to 99.48
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0